Shell Extensions are in-process COM objects which extends the abilities of Windows operating system. ShellExView can be used for solving context-menu problems in Explorer environment. The ShellExView utility displays the details of shell extensions installed on your computer, and allows you to easily disable and enable each shell extension. For example: If you install WinZip on your computer, you'll see a special WinZip menu when you right-click on a Zip file. This menu is created by adding a shell extension to the system.